Adapters for connecting M39 & M42 lenses to a Micro 4/3 camera: Adapted Lens Talk Forum: Digital Photography Review
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M39 to M42 Screw Mount Adapter for Leica L39 LTM LSM Lens to Pentax M39-M42 - buy M39 to M42 Screw Mount Adapter for Leica L39 LTM LSM Lens to Pentax M39-M42:
M42-m39 Screw Thread Lens Mount Adapter M42 X1 Female To M39 X1 Male With Flange - Lens Adapter - AliExpress
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M39 Lens to M42 Camera Adjustable Focusing Helicoid Ring Adapter 25-55mm Macro Extension Tube M39-M42 - AliExpress
Brass M42 To M39 17mm-31mm Adjustable Focus Helicoid Adapter Macro Mount Tube For M42 Mount Lenses | Fruugo JP
Kipon Pentax M42 Screw Mount Lens to Leica L39 Camera Lens Adapter KP-LA-LCL39-PXS
Amazon.com : Fotodiox Lens Mount Adapter, M39 to M42 (39mm - 42mm Thread) Adapter for Leica, Canon, Nikon, Carl Zeiss, Pentax, Leica : Camera Lens Adapters : Electronics
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Macro Adapters for Schneider Lenses | Custom Photo Tools
M39-M42 ADAPTER RING LENS ADAPTER RING M39 M42 M42-M39 39MM 42MM | eBay
M39 To M42 Screw Lens Mount Adapter Step Up Ring M39 Lens To M42 39mm To 42mm | Fruugo NO
M39 To M42 Screw Lens Mount Adapter Step Up Ring M39 Lens To M42 39mm To 42mm | Fruugo NO